<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>验证函数调⽤时this指向</title>
</head>
<body>
    <script>
            function foo() {
                console.log("foo函数:", this);
            }

            // 直接调⽤
            foo();
            
            var obj = { name: "gkd" };
            obj.showThis = foo;
            // 通过对象调⽤
            obj.showThis();

    </script>
    
</body>
</html>